Ada Programming/Keywords/interface
This language feature is only available from Ada 2005 on.
Used to declare an interface. Interfaces are the most important innovation in Ada 2005. The basic semantic has been taken from the interface concept of the Java programming language. Interface inheritance is a reduced form of multiple inheritance.
Interface types
[edit | edit source]There are various forms of interfaces available:
Normal interface
[edit | edit source]The normal interface is declared as:
typePrintableisinterface;
Limited interface
[edit | edit source]Can be used as interface to limited tagged type.
typePrintableislimitedinterface;
Synchronized interface
[edit | edit source]typePrintableissynchronizedinterface;
All synchronized interfaces are also limited.
Task interface
[edit | edit source]Can be used as an interface to a task type.
typePrintableistaskinterface;
All task interfaces are also synchronized.
Protected interface
[edit | edit source]Can be used as an interface to a protected type.
typePrintableisprotectedinterface;
All protected interfaces are also synchronized.
See also
[edit | edit source]Wikibook
[edit | edit source]- Ada Programming
- Ada Programming/Keywords
- Ada Programming/Object Orientation
- Ada Programming/Multiple Inheritance
- Ada Programming/Tasking
- Ada Programming/Pragmas/Interface (obsolescent)
Ada Reference Manual
[edit | edit source]Ada 2005
[edit | edit source]Ada Quality and Style Guide
[edit | edit source]
| Ada Keywords | ||||
|---|---|---|---|---|
abort
|
else
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new
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return
|
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abs
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elsif
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not
|
reverse
|
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abstract (Ada 95)
|
end
|
null
|
||
accept
|
entry
|
select
|
||
access
|
exception
|
of
|
separate
|
|
aliased (Ada 95)
|
exit
|
or
|
some (Ada 2012)
|
|
all
|
others
|
subtype
|
||
and
|
for
|
out
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synchronized (Ada 2005)
|
|
array
|
function
|
overriding (Ada 2005)
|
||
at
|
tagged (Ada 95)
|
|||
generic
|
package
|
task
|
||
begin
|
goto
|
parallel (Ada 2022)
|
terminate
|
|
body
|
pragma
|
then
|
||
if
|
private
|
type
|
||
case
|
in
|
procedure
|
||
constant
|
interface (Ada 2005)
|
protected (Ada 95)
|
until (Ada 95)
|
|
is
|
use
|
|||
declare
|
raise
|
|||
delay
|
limited
|
range
|
when
|
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delta
|
loop
|
record
|
while
|
|
digits
|
rem
|
with
|
||
do
|
mod
|
renames
|
||
requeue (Ada 95)
|
xor
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|||